Fig. 3

Detailed university CF results per year for constructed area (a), per capita (b), and expenditures (c). Notes: 2C is based on university expenditures without salaries and has been corrected for purchasing power parity (PPP)—for details, we refer to the Appendix: Fig. 6. Offsets: three of the universities covered are compensating CO₂ emissions by purchasing carbon credits or producing a surplus of renewable energy. Mt = metric tons. U = University. Universities are named in the graphs with respect to the cities they are located. Some have deviating/completing names: UM College Park MD = University of Maryland. U Mankato MN = University of Minnesota. U Melbourne, Australia = Monash University. U Brisbane = University of Queensland. U Pittsburgh PA = Duquesne University. DeMU Leicester = De Montfort University. NTU = Nanyang Technological University. UCB = Umwelt-Campus Birkenfeld. UAM = Universidad Autonoma Metropolitana-Cuajimalpa. Tongji University Shanghai (3c) based on research budget only